Parasitic roundworms may have plant, vertebrate, or invertebrate hosts. Several species have human hosts. For example, hookworms, like the one in Figure below, are human parasites. 5 мар. 2021 г.
Is a roundworm a vertebrate?
Roundworms, also called nematodes, are parasitic worms that comprise the phylum nematoda. Many roundworms are parasitic and infect humans and other animals. These invertebrates have a snakelike shape and move with a whip-like motion.
Is Round worm a vertebrate or invertebrate?
Roundworms are invertebrates in Phylum Nematoda. Roundworms have a pseudocoelom and complete digestive system. They are free-living heterotrophs or parasites.
Are roundworms invertebrates?
Invertebrate animals commonly called "worms" include annelids (earthworms and marine polychaete or bristle worms), nematodes (roundworms), platyhelminthes (flatworms), marine nemertean worms ("bootlace worms"), marine Chaetognatha (arrow worms), priapulid worms, and insect larvae such as grubs and maggots.
Do worms have vertebrates?
Worms definitely don't have a backbone or any bones in their slender, tender body so they are invertebrates. The classification of invertebrate includes many animals such as spiders, insects, centipedes, slugs, snails, millipedes and even jellyfish and squid.
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